Ok I think I get it. I looked up on window() command in Maya Python
documentation and I found optional [string] at the begining, so I'm
guessing that is the name of the window and return value also giving me
that tip. So many thanks to you Joe for you answer! :)
On Monday, November 18, 2013 5:22:41 PM UTC+1, Joe Weidenbach wrote:
>
> A quick note, I use cmds where you use mc. So the code for you would be:
>
> objAligner = "myWindowName"
>
> if mc.window(objAligner, exists=True):
> mc.deleteUI(objAligner)
>
>
> objAligner = mc.window(objAligner, title='Object Alignment Tool', s=False,
> wh=(300, 100), ret=True)
>
>
> Just so that you don't run into problems with my half-awake code :)
>
> On 11/18/2013 8:18 AM, Joe Weidenbach wrote:
>
> Hi Piotr!
>
> Welcome! What I like to do for this is initialize the variable to
> whatever I want to call the window. It's one of the few UI names I will
> set explicitly, and you only need to do this for the initial parent
> object. Like so:
>
> objAligner = "myWindowName"
>
> if cmds.window(objAligner, exists=True):
> cmds.deleteUI(objAligner)
>
>
> objAligner = mc.window(objAligner, title='Object Alignment Tool', s=False,
> wh=(300, 100), ret=True)
>
> It's just a matter of declaring the variable first.
>
> Hope that helps!
>
> Joe
>
> On 11/18/2013 5:58 AM, Piotr Makal wrote:
>
> Ok. firstly - I'm new to Python in Maya and my English is not so great
> either so pardon me that ^^
>
> While I was learning MEL and Python I came across this problem which I
> can't figure out. So to be more clear I'll show my MEL code first and then
> it's Python equivalent.
>
> string $objAligner;
>
> if (`window -ex $objAligner`) {
>
> deleteUI -window $objAligner;
>
> }
>
> string $objAligner = `window -t "Object Alignment Tool" -s false -wh 300 100
> -ret`;
>
> columnLayout -adj true;
>
> text -l "Instructions: select targets then affected object";
>
> button -l "Execute" -w 300 -h 40 -c "aligner";
>
> showWindow $objAligner;
> &
> lt;
> span style="color: #000;" class="styled-by-prettify">
>
> proc aligner() {
>
> string $prntCnstr = `parentConstraint`;
>
> delete $prntCnstr;
>
> }
> import maya.cmds as mc
>
>
> if mc.window(objAligner, ex=True) :
>
> mc.deleteUI(objAligner, window=True)
>
> objAligner = mc.window(title='Object Alignment Tool', s=False, wh=(300, 100),
> ret=True)
>
> mc.columnLayout(adj=True)
>
> mc.text(l='Instructions: select targets then affected object')
>
> mc.button(l='Execute', w=300, h=40, c='aligner()')
>
> mc.showWindow(objAligner)
>
> def aligner() :
>
> prntCnstr = mc.parentConstraint()
>
> mc.delete(prntCnstr)
>
> So what I want to achieve is checking if window I have created is open and if
> it is then I want to close it and create new one in the same place.
> In MEL everything is ok because I can execute the first line of code without
> anny errors: *string $objAligner;*
> In Python though, we create variable when we assign value to a name so if I
> open Maya and execute script shown above I get an error of undefined name
> "objAligner".
> Is there any way to solve this?
>
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